/**
 * Lossless compilers from Fred's supported workflow dialects into the
 * unified `WorkflowIR` representation.
 *
 * Compilation is deliberately pure: registration, dependency lookup, and
 * execution remain service concerns. Control flow is always emitted as edges;
 * compiler-generated function nodes only adapt source-level result contracts.
 */
import type { PipelineConfigV2 } from '../pipeline/pipeline';
import type { GraphWorkflowConfig } from '../pipeline/graph';
import type { WorkflowIR } from './ir';
/** Compile a V2 typed-step pipeline, lowering nested conditions to guarded edges. */
export declare function compilePipelineV2(config: PipelineConfigV2): WorkflowIR;
/** Compile a graph workflow. Fork/join semantics become edges plus node metadata. */
export declare function compileGraphWorkflow(config: GraphWorkflowConfig): WorkflowIR;
/** Structural guard for already-native workflow definitions. */
export declare function isWorkflowIR(value: unknown): value is WorkflowIR;
export type CompilableWorkflow = PipelineConfigV2 | GraphWorkflowConfig | WorkflowIR;
export declare const UNSUPPORTED_WORKFLOW_DEFINITION_MESSAGE = "Unsupported workflow definition. Expected a V2 workflow with a steps array, a graph workflow, or native WorkflowIR. Legacy agent-list pipelines are no longer supported.";
/** Runtime guard for unchecked callers crossing the workflow compilation boundary. */
export declare function isPipelineV2Definition(value: unknown): value is PipelineConfigV2;
/** Compile any supported workflow definition, validating native IR unchanged. */
export declare function compileWorkflow(config: CompilableWorkflow): WorkflowIR;
/** Define a native workflow with validation and an explicit native source tag. */
export declare function defineWorkflow(workflow: WorkflowIR): WorkflowIR;
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